A) the same direction but differ in phase by \[{{90}^{o}}\]
B) the same direction and are in phase
C) mutually perpendicular directions and differ in phase by \[{{90}^{o}}\]
D) mutually perpendicular directions and are in phase
Correct Answer: D
Solution :
Electromagnetic radiation is generally described as a self-propagating wave in space with electric and magnetic components. These components oscillate at right angles to each other and to the direction of propagation and are in phase with each other.
E = Electric field component, M = Magnetic field component.
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